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Mirrors > Home > MPE Home > Th. List > nnexpcl | Structured version Visualization version GIF version |
Description: Closure of exponentiation of nonnegative integers. (Contributed by NM, 16-Dec-2005.) |
Ref | Expression |
---|---|
nnexpcl | ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℕ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnsscn 11630 | . 2 ⊢ ℕ ⊆ ℂ | |
2 | nnmulcl 11649 | . 2 ⊢ ((𝑥 ∈ ℕ ∧ 𝑦 ∈ ℕ) → (𝑥 · 𝑦) ∈ ℕ) | |
3 | 1nn 11636 | . 2 ⊢ 1 ∈ ℕ | |
4 | 1, 2, 3 | expcllem 13436 | 1 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℕ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∈ wcel 2111 (class class class)co 7135 ℕcn 11625 ℕ0cn0 11885 ↑cexp 13425 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-nn 11626 df-n0 11886 df-z 11970 df-uz 12232 df-seq 13365 df-exp 13426 |
This theorem is referenced by: digit1 13594 nnexpcld 13602 faclbnd4lem3 13651 faclbnd5 13654 climcndslem1 15196 climcndslem2 15197 climcnds 15198 harmonic 15206 geo2sum 15221 geo2lim 15223 ege2le3 15435 eftlub 15454 ef01bndlem 15529 phiprmpw 16103 pcdvdsb 16195 pcmptcl 16217 pcfac 16225 pockthi 16233 prmreclem3 16244 prmreclem5 16246 prmreclem6 16247 modxai 16394 1259lem5 16460 2503lem3 16464 4001lem4 16469 ovollb2lem 24092 ovoliunlem1 24106 ovoliunlem3 24108 dyadf 24195 dyadovol 24197 dyadss 24198 dyaddisjlem 24199 dyadmaxlem 24201 opnmbllem 24205 mbfi1fseqlem1 24319 mbfi1fseqlem3 24321 mbfi1fseqlem4 24322 mbfi1fseqlem5 24323 mbfi1fseqlem6 24324 aalioulem1 24928 aaliou2b 24937 aaliou3lem9 24946 log2cnv 25530 log2tlbnd 25531 log2ublem1 25532 log2ublem2 25533 log2ub 25535 zetacvg 25600 vmappw 25701 sgmnncl 25732 dvdsppwf1o 25771 0sgmppw 25782 1sgm2ppw 25784 vmasum 25800 mersenne 25811 perfect1 25812 perfectlem1 25813 perfectlem2 25814 perfect 25815 pcbcctr 25860 bclbnd 25864 bposlem2 25869 bposlem6 25873 bposlem8 25875 chebbnd1lem1 26053 rplogsumlem2 26069 ostth2lem3 26219 ostth3 26222 oddpwdc 31722 tgoldbachgt 32044 faclim2 33093 opnmbllem0 35093 heiborlem3 35251 heiborlem5 35253 heiborlem6 35254 heiborlem7 35255 heiborlem8 35256 heibor 35259 expgcd 39491 hoicvrrex 43195 ovnsubaddlem2 43210 ovolval5lem1 43291 fmtnoprmfac2lem1 44083 fmtno4prm 44092 perfectALTVlem1 44239 perfectALTVlem2 44240 perfectALTV 44241 bgoldbachlt 44331 tgblthelfgott 44333 tgoldbachlt 44334 blenpw2 44992 nnpw2pb 45001 nnolog2flm1 45004 |
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